1026020 has 36 divisors (see below), whose sum is σ = 2268084. Its totient is φ = 389760.

The previous prime is 1025957. The next prime is 1026029. The reversal of 1026020 is 206201.

It can be written as a sum of positive squares in 6 ways, for example, as 119716 + 906304 = 346^2 + 952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1025992 and 1026010.

It is not an unprimeable number, because it can be changed into a prime (1026029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16790 + ... + 16850.

2^1026020 is an apocalyptic number.

1026020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134042).

1026020 is an abundant number, since it is smaller than the sum of its proper divisors (1242064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1026020 is a wasteful number, since it uses less digits than its factorization.

1026020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1026020 is about 1012.9264534012. The cubic root of 1026020 is about 100.8599175555.

The spelling of 1026020 in words is "one million, twenty-six thousand, twenty".